PLAYER TOURNAMENT DETAILS
Justin Roos
1110099324Bojanala Platina (NBR)Tournament details
| Tour Id | 20251022 |
| Group Id | 20251015 |
| Name | South African Junior Closed Chess Championships 2025 |
| Section | U14 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-03-31 |
| End | 2025-04-05 |
| Submitted | 2025-04-09 |
| Rated | 2025-04-09 |
| Submit age weight | 1 |
| Host | Cape Winelands (WCW) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 4.5 |
| Percent | 50 |
| Dp | 0 |
| Aor | 1549.8 |
| Perform | 1549.8 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 1 |
| Losses | 4 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 3 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 39 |
| Final Pos | 31 |
| Share Pos | 27 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1538.4 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 4.34 |
| Score - Expected score | 0.16 |
| Rating +/- | 3.2 |
Analysis (Type)
| Rating | 1540.2 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 4.41 |
| Score - Expected score | 0.09 |
| Rating +/- | 1.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-03-31 | Bain, M (Michael) | GTP | 1705.4 | 1700.8 | W | 0 | 0.35 | -0.35 | -7 | 0.35 | -0.35 | -7 | Yes | |
| 2 | 2025-03-31 | Jonker, T (Tertius) | GTP | 1428.9 | 1417.4 | B | 0 | 0.59 | -0.59 | -11.8 | 0.6 | -0.6 | -12 | Yes | |
| 3 | 2025-04-01 | Maponya, W (Warona) | GTP | 1443.8 | 1439.7 | W | 0.5 | 0.65 | -0.15 | -3 | 0.66 | -0.16 | -3.2 | Yes | |
| 4 | 2025-04-01 | Arries, J (Jayde) | ENM | 1375.2 | 1367.9 | B | 1 | 0.65 | 0.35 | 7 | 0.66 | 0.34 | 6.8 | Yes | |
| 5 | 2025-04-03 | Boshoff, R (Reinhardt) | GTP | 1477.4 | 1471.6 | W | 1 | 0.61 | 0.39 | 7.8 | 0.62 | 0.38 | 7.6 | Yes | |
| 6 | 2025-04-03 | Coleman, A (Anthony) | WEG | 1609.6 | 1626.4 | B | 1 | 0.38 | 0.62 | 12.4 | 0.36 | 0.64 | 12.8 | Yes | |
| 7 | 2025-04-04 | Guo, A (Aleks) | WCT | 1646.5 | 1625.8 | W | 0 | 0.42 | -0.42 | -8.4 | 0.44 | -0.44 | -8.8 | Yes | |
| 8 | 2025-04-04 | Stuurman, P (Pedro) | ESB | 1613.1 | 1593.5 | B | 1 | 0.37 | 0.63 | 12.6 | 0.4 | 0.6 | 12 | Yes | |
| 9 | 2025-04-05 | Mazikana, E (Ethan) | EBC | 1648.4 | 1662.2 | B | 0 | 0.33 | -0.33 | -6.6 | 0.32 | -0.32 | -6.4 | Yes | |